20481902

素因数分解:

$2^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 36408000

約数和(自身を除く): 15926098

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 343, 409, 511, 686, 818, 1022, 2863, 3577, 5726, 7154, 20041, 25039, 29857, 40082, 50078, 59714, 140287, 208999, 280574, 417998, 1462993, 2925986, 10240951, 20481902]

約数ペア:

[(1, 20481902), (2, 10240951), (7, 2925986), (14, 1462993), (49, 417998), (73, 280574), (98, 208999), (146, 140287), (343, 59714), (409, 50078), (511, 40082), (686, 29857), (818, 25039), (1022, 20041), (2863, 7154), (3577, 5726)]